dhash_store class is overloaded to send stores and respond to fetchiter RPCs.   However, it only makes sense to examine storeres if we were doing a store rpc; fetchiter has a void return.  Also, add a few commented-out debugging print outs.
dhash_store class is overloaded to send stores and respond to
fetchiter RPCs.   However, it only makes sense to examine storeres
if we were doing a store rpc; fetchiter has a void return.  Also,
add a few commented-out debugging print outs.

sit/dht,sit/dht,weidezhang/dht,weidezhang/dht,sit/dht,weidezhang/dht,weidezhang/dht,sit/dht,sit/dht,weidezhang/dht